Query routing generator when zone explicitly supports shared routing

2 files changed, 21 insertions, 1 deletions

diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/zone/RoutingMethod.java b/config-provisioning/src/main/java/com/yahoo/config/provision/zone/RoutingMethod.java
new file mode 100644
index 00000000000..892ac639198
--- /dev/null
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/zone/RoutingMethod.java
@@ -0,0 +1,17 @@
+// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.provision.zone;
+
+/**
+ * The routing methods supported by a zone.
+ *
+ * @author mpolden
+ */
+public enum RoutingMethod {
+
+    /** Routing happens through shared routing layer */
+    shared,
+
+    /** Routing happens through a dedicated layer 4 load balancer */
+    exclusive,
+
+}
diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilter.java b/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilter.java
index 46efe7a440d..5ef23c80eac 100644
--- a/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilter.java
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilter.java
@@ -1,4 +1,4 @@
-// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.config.provision.zone;
 
 import com.yahoo.config.provision.CloudName;
@@ -22,6 +22,9 @@ public interface ZoneFilter {
     /** Zones which support direct routing through exclusive load balancers. */
     ZoneList directlyRouted();
 
+    /** Zones where traffic is routed using given method */
+    ZoneList routingMethod(RoutingMethod method);
+
     /** Zones where config servers are up and running. */
     ZoneList reachable();